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MAC prefix 00:00:B9

Assigned by the IEEE to MCDONNELL DOUGLAS COMPUTER SYS.

Prefix
00:00:B9   00-00-B9   0000.B9
Block type
MA-L (16,777,216 addresses)
Address range
00:00:B9:00:00:00 – 00:00:B9:FF:FF:FF
Organization
MCDONNELL DOUGLAS COMPUTER SYS
Registered address
DIV MCDONNELL DOUGLAS INF SYS, ENGLAND, GB
Country
United Kingdom (GB)
Address bits
Unicast (I/G bit 0), globally unique (U/L bit 0)

Look up 00:00:B9:00:00:00

MCDONNELL DOUGLAS COMPUTER SYS holds 1 block in total: see all. Source: IEEE Registration Authority public listing.